หิรัญสุขน., and ปิ่นเจริญส. “THE OPINIONS OF GRADUATES CONCERNING THE IMPACT OF PARTICIPATING AND NOT PARTICIPATING IN STUDENT ACTIVITIES ON THE WORKING BEHAVIORS AFTER GRADUATIONS”. Business Review Journal, Vol. 5, no. 1, June 2013, pp. 97-116, https://so01.tci-thaijo.org/index.php/bahcuojs/article/view/156667.